Unit 5 Revealing Nature Developing ideas 导学案-2024-2025学年高中英语外研版（2019）选择性必修第一册

高二英语组余鑫示范课导学案 XB1Unit 5 Revealing nature 授课人 余鑫 授课班级 高二（18）班 课题 Developing ideas--The Secret Language of Plants 课型 Reading 时 长 40分钟 Learning aims 1. After this class, students will be able： 2. 1. To master the main idea of the text and clearly describe the ways in which plants communicate. 3. 2..To understand the text type（体裁）, master the text structure and the figure of speech(修辞); 4. 3. To further understand nature, and establish a positive life attitude of protecting nature. Important and difficult points 1. To learn the details of the plants’ communication ways 2. To express the benefits of exploring nature. 【Before class】 Useful expressions: 1. a thing of myths and legends神话传说中的一大元素 2. after all 毕竟 3. a call for help求救信号 4. get attacked by 被......袭击 5. drive...away 把...赶跑 6. release tiny amounts of chemicals释放微量的化学物质 7. plant warning system 植物预警系统 8. wood wide web植物万维网 9. has its own version of “cybercrime”也会发生 “网络犯罪 ” 10. steal...from...从......偷某物 【During class】 Ⅰ: Pre-reading 问题导学 1. Would plants communicate with each other? 2. What if plants can speak? Ⅱ. While-reading 课中引学 Activity 1: Read for structure and genre. 1.Where can we find this passage? A. In an economic book B. In a history book C. On a scientific magazine D. In a novel 2. What is the structure of the passage? A. B. C. D. 3. What is the text type of the passage? A. Features story B. Narration C. Argumentation D. Research exposition(研究类说明文) Activity 2: Read for details. Part 1 1.What do people think of talking plants? 2.What does the new research have found? Part 2 1. Read and find out the ways in which plants communicate. Plants can use _______________, ______________, __________________________to communicate. 2. Read Para. 3 and fin out how the plants use chemicals to communicate with each other. 3. What figure of speech(修辞手法) is used here?___________________________________ Please find out the sentences with personification in the passage. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 4. Read para. 5 carefully and find the differences between "World Wide Web" and "Wood Wide Web". Type Link every person on earth every _____________ in the forest Linked by _____________ and _____________ underground ___________ which links the ___________ of different plants to each other Use it to share _____________________ and ___________with each other Cybercrime spread computer virus to attack others' ___________ steal ______________ from each other and spread _____________ to _____________other plants Part 3 What is the writer’s attitude towards the scientific research on the secret language of plants? A. Positive B. Negative C. Neutral(中立的) D. Indifferent(漠不关心的) Ⅲ: Post-reading What can you learn from the beginning and ending? Para.1 Talking plants have long been Para.6 Maybe one day we will know enough a thing of myths and legends. about plant communication ... ____________________________________________________________________________ 小组研学&小组展学 Activity 3 Think & share Is it beneficial to explore nature? Why? Give a talk about the benefits of exploring the secrets of nature. You can begin like this: As far as I’m concerned, exploring nature is beneficial. First of all... In addition...Last but not least...All in all... Activity 4 Self-evaluation Self-evaluation I can understand the main idea of the passage correctly. 4 3 2 1 I can divide the passage correctly. 4 3 2 1 I can retell the ways of plants’ communication well. 4 3 2 1 I can collect all the sentences of personification well. 4 3 2 1 I can grasp the humanity(人文）meaning the text conveys. 4 3 2 1 课后练学 Assignment: 1. Finish the mind-map of the passage. 2. Filling in the blanks with correct forms of the given words. Scientists are learning the secret ways in which plants“talk”to each other. It has been known for some time that plants use chemicals 1______________ (communicate) with each other. When 2________ (attack) by insects, the plant releases chemicals from the leaves that 3______________ (eat). This is like 4___ warning. When another plant detects the chemicals, it starts to release 5___ (it) own, different chemicals. Some chemicals drive insects away. 6____________ (surprising), plants also use sound to communicate. Some plants make noises with their roots. Some trees make clicking noises when there is not enough water, 7__________ (indicate) drought is arriving. Most surprisingly of all, plants have an 8________ (amaze) system of communication that can link nearly every plant in a forest. It is called “ wood wide web”, 9______ is in some ways similar to the Internet we use. Using the wood wide web, plants can share information and even food 10_____ each other. Take notes 课后反思： 主题语境：人与自然--认识与探索自然 1 学科网（北京）股份有限公司 $$